How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday100.0*Chance in playoffs100.0*Average seed
Lynchburg 0 Frederick 1 +1.0
+0.2
Lynchburg 3 Frederick 5 +1.0
+0.2
Winston-Salem 5 Wilmington 3 +0.3
Winston-Salem 11 Wilmington 3 +0.3
Potomac 4 Salem 2 -0.2
-0.1
Potomac 5 Salem 4 -0.2
-0.1
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Lynchburg vs Frederick-2.7+2.7
-0.3+0.3
Lynchburg vs Frederick-2.6+2.6
-0.3+0.3
Potomac vs Salem-0.9+0.9
-0.1+0.1
Potomac vs Salem-0.9+0.9
-0.1+0.1
Winston-Salem vs Wilmington+0.6-0.6
+0.1-0.1

What If

Chances based on how well the Frederick finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
3610-092.3%92161032,585
359-175.3750131110242,818
348-246.046082716201,083,694
337-310.5110103930102,880,266
326-40.5000937535,041,464
315-5Out0115856,048,306
304-6Out003975,043,862
293-7Out001002,882,627
26-28Out1001,359,528*
Total:4.2%40137167024,615,150

* Row combines multiple less frequent records.

Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)